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Aluminum rare earth alloy and preparation method thereof

A technology of aluminum rare earth and alloy, which is applied in the field of aluminum rare earth alloy and its preparation, can solve the problems of insufficient strength of aluminum rare earth alloy and achieve the effect of excellent strength

Inactive Publication Date: 2017-04-19
林海英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the aluminum rare earth alloys currently on the market are not strong enough

Method used

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  • Aluminum rare earth alloy and preparation method thereof

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Embodiment 1

[0015] An aluminum rare earth alloy, comprising the following raw materials in proportions by weight: 152 parts of aluminum, 18 parts of iron, 2 parts of cobalt, 5 parts of molybdenum, 5 parts of zirconium, 1 part of tin, 1 part of iridium, 1 part of terbium, and 1 part of dysprosium 1 part, 1 part of thulium, 1 part of ytterbium, 2 parts of potassium nitrate, 1 part of sodium aluminum fluoride, 1 part of hexafluorobenzene, 1 part of titanium sponge and 6 parts of chromium trioxide.

[0016] A kind of preparation method of aluminum rare earth alloy comprises the following steps:

[0017] 1) Pour 152 parts of aluminum, 18 parts of iron, 2 parts of cobalt, 5 parts of molybdenum, 5 parts of zirconium, 1 part of tin, 1 part of iridium, 1 part of terbium, 1 part of dysprosium, 1 part of thulium and 1 part of ytterbium into the In the metal smelting furnace, and then heated to 900°C, and stirred after all the raw materials are completely melted, liquid metal is obtained and set asid...

Embodiment 2

[0021] An aluminum rare earth alloy, comprising the following raw materials in proportions by weight: 150 parts of aluminum, 20 parts of iron, 4 parts of cobalt, 7 parts of molybdenum, 7 parts of zirconium, 3 parts of tin, 3 parts of iridium, 3 parts of terbium, and 3 parts of dysprosium 3 parts, 3 parts of thulium, 3 parts of ytterbium, 4 parts of potassium nitrate, 3 parts of sodium aluminum fluoride, 3 parts of hexafluorobenzene, 3 parts of titanium sponge and 8 parts of chromium trioxide.

[0022] A preparation method of aluminum rare earth alloy, comprising the following steps:

[0023] 1) Pour 150 parts of aluminum, 20 parts of iron, 4 parts of cobalt, 7 parts of molybdenum, 7 parts of zirconium, 3 parts of tin, 3 parts of iridium, 3 parts of terbium, 3 parts of dysprosium, 3 parts of thulium and 3 parts of ytterbium into the In the metal smelting furnace, and then heated to 900°C, and stirred after all the raw materials are completely melted, liquid metal is obtained an...

Embodiment 3

[0027] An aluminum rare earth alloy, comprising the following raw materials in parts by weight: 151 parts of aluminum, 19 parts of iron, 3 parts of cobalt, 6 parts of molybdenum, 6 parts of zirconium, 2 parts of tin, 2 parts of iridium, 2 parts of terbium, and 2 parts of dysprosium 2 parts of thulium, 2 parts of ytterbium, 3 parts of potassium nitrate, 2 parts of sodium aluminum fluoride, 2 parts of hexafluorobenzene, 2 parts of titanium sponge and 7 parts of chromium trioxide.

[0028] A preparation method of aluminum rare earth alloy, comprising the following steps:

[0029] 1) Pour 151 parts of aluminum, 19 parts of iron, 3 parts of cobalt, 6 parts of molybdenum, 6 parts of zirconium, 2 parts of tin, 2 parts of iridium, 2 parts of terbium, 2 parts of dysprosium, 2 parts of thulium and 2 parts of ytterbium into the In the metal smelting furnace, and then heated to 900°C, and stirred after all the raw materials are completely melted, liquid metal is obtained and set aside;

...

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Abstract

The invention discloses an aluminum rare earth alloy. The aluminum rare earth alloy comprises, by weight, 150-152 parts of aluminum, 18-20 parts of iron, 2-4 parts of cobalt, 5-7 parts of molybdenum, 5-7 parts of zirconium, 1-3 parts of tin, 1-3 parts of iridium, 1-3 parts of terbium, 1-3 parts of dysprosium, 1-3 parts of thulium, 1-3 parts of ytterbium, 2-4 parts of potassium nitrate, 1-3 parts of sodium fluoroaluminate, 1-3 parts of hexafluorobenzene, 1-3 parts of titanium sponge and 6-8 parts of chromium sesquioxide. The aluminum rare earth alloy is high in hardness.

Description

technical field [0001] The invention relates to an aluminum rare earth alloy and a preparation method thereof. Background technique [0002] Aluminum rare earth alloys generally refer to aluminum alloys containing rare earth metals, mainly Al-RE alloys. Industrial Al-RE alloys are mainly cast aluminum alloys containing 4.4% to 5% rare earths, such as Al-RE-Cu-Si-Mn-Ni-Mg alloys, which contain a variety of transition elements and have complex components and structures. The working temperature can reach 400°C, and it is the most widely used cast aluminum alloy with the best thermal strength. The mechanical properties at room temperature are low, and the casting process performance is good. It can be used in sand mold and metal mold casting to produce parts with complex shapes that work for a long time at high temperature, such as engine accessories, valves, etc. However, the aluminum rare earth alloys currently on the market are not strong enough. Contents of the invention...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/02
CPCC22C21/00C22C1/026
Inventor 林海英
Owner 林海英
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